2. [-116.66 Points] DETAILS MY NOTES PRACTICE ANOTHER Evaluate the given integral by changing to polar coordinates. /./'/10012y2 1/1. H where R = {(1' VIII2 'I' y! 5 100,1 2 0}- The value of integral is 3. [-/16.66 Points] DETAILS MY NOTES PRACTICE ANOTHER Evaluate the given integral by changing to polar coordinates. // yeI (1.4, R where R is the region in the rst quadrant enclosed by the circle X2 + y2 = 9. The value of integral is 4. [-116.66 Points] DETAILS MY NOTES PRACTICE ANOTHER Use polar coordinates to find the volume of the given solid. Below the paraboloid z = 12 - 3x2 - 3yZ and above the xy-plane